Rounding + Add/Sub Review (Standards 3.10 and 3.11)

3261 rounded to the nearest 100 would be

3261 rounded to the nearest 10 would be

Ben has 289 marbles. Ben rounds 289 to the nearest 100.
What number did Ben round to?

• 200

• 280

• 290

• 300

Gina and Mason's P.E. class is working on the Presidential Fitness Challenge. Each student is working towards meeting the goals set in the chart below. The goals are different for boys and girls.

GIna compared the curl-ups goal for girls and boys.  

She rounded each goal to the nearest 10 and was surprised to discover that the girl's goal, rounded to the nearest 10, was _____.

If you were to round the following numbers to the nearest 100, which two numbers would be rounded to 7,600?

• 7, 503

• 7, 679

• 7, 611

• 7, 594

• 7, 523

738 + 186 = ______

215 + 432 = ______

523 − 368 = ______

Liam has 476 marbles in one jar and 389 marbles in another jar.

How many marbles does Liam have altogether?

A library had 652 books on the shelves.

After students checked out 478 books, how many books were left on the shelves?